/Engine/Source/Developer/TextureFormat/Public/Interfaces/ITextureFormat.h
Compress an image (or images for a miptail) into a single mip blob.
true on success, false otherwise.
virtual bool CompressImageEx ( const [FImage](API\Runtime\ImageCore\FImage) * Images, const uint32 NumImages, const [FTextureBuildSettings](API\Developer\TextureCompressor\FTextureBuildSettings) & BuildSettings, const FIntVector3 & InMip0Dimensions, int32 InMip0NumSlicesNoDepth, int32 InMipIndex, int32 InMipCount, FStringView DebugTexturePathName, bool bImageHasAlphaChannel, uint32 ExtData, [FCompressedImage2D](API\Developer\TextureCompressor\FCompressedImage2D) & OutCompressedImage ) const